Intermetallides as the Catalysts for Carbon Dioxide Reforming of Methane | Sciact - CRIS-система Института катализа

Intermetallides as the Catalysts for Carbon Dioxide Reforming of Methane Научная публикация

Журнал

Catalysis Today
ISSN: 0920-5861 , E-ISSN: 1873-4308

Вых. Данные

Год: 2018, Том: 299, Страницы: 303-316 Страниц : 14 DOI: 10.1016/j.cattod.2017.09.021

Ключевые слова

Dry reforming of methane, Intermetallic, Ion implantation, Platinum, Ruthenium, Self-propagating high-temperature synthesis

Авторы

Arkatova Larisa A. ¹ , Kasatsky Nikolai G. ¹ , Maximov Yury M. ¹ , Pakhnutov Oleg V. ² , Shmakov Alexander N. ³

Организации

1	Department of Structural Macrokinetics, Tomsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Academichesky Avenue 10/3, Tomsk 634021, Russia
2	Department of Chemistry, Tomsk State University, Lenin Avenue. 36, Tomsk 634050, Russia
3	Boreskov Institute of Catalysis, Akademika Lavrentieva Avenue 5, Novosibirsk 630090, Russia

Информация о финансировании (1)

Томский научный центр Сибирского отделения Российской академии наук

Intermetallic catalysts for dry reforming of methane (DRM) based on Ni3Al with low content of Pt and Ru have been developed. Self-propagating high-temperature synthesis (SHS) was used as a method of catalyst synthesis. Ion implantation was used to change the physical, chemical and catalytic properties of Ni3Al as a matrix for this new type of catalysts for DRM. Ions of Pt and Ru were accelerated in an electrical field and impacted into a solid Ni3Al. The catalytic performances were evaluated between 600 °C and 900 °C at atmospheric pressure. The feed was CH4/CO2/He = 20/20/60 vol.% mixture. Particle size and chemical evolution of catalysts were studied by XRD (in situ and ex situ), SEM, EDS, HRTEM + EDS and XPS. The active components were shown to be primarily dispersed in the nearsurface layer of Ni3Al support as nanoparticles of size 5–10 nm, which were distributed homogeneously or heterogeneously, depending on the catalyst composition. Spinel structure of some catalysts is resistant to carbonization and provides high catalyst stability in DRM. Modification of catalyst by ion implantation had several positive impacts: 1) high catalytic activity and stability in DRM, 2) reducing of carbon deposits, 3) Pt and Ru prevent Ni phase sintering by avoiding particle coalescence.

Arkatova L.A. , Kasatsky N.G. , Maximov Y.M. , Pakhnutov O.V. , Shmakov A.N.
Intermetallides as the Catalysts for Carbon Dioxide Reforming of Methane
Catalysis Today. 2018. V.299. P.303-316. DOI: 10.1016/j.cattod.2017.09.021 WOS Scopus РИНЦ CAPlus OpenAlex

Поступила в редакцию:	15 нояб. 2016 г.
Принята к публикации:	12 сент. 2017 г.
Опубликована online:	19 сент. 2017 г.
Опубликована в печати:	1 янв. 2018 г.

Web of science:	WOS:000417050000034
Scopus:	2-s2.0-85030172111
РИНЦ:	31072600
Chemical Abstracts:	2017:1576785
OpenAlex:	W2755402282

БД	Цитирований
Web of science	13
Scopus	15
РИНЦ	15
OpenAlex	15